INDEX 



Aberrations, 119. 



Acanthocephala, 234. 



Acanthopterygii, 356-357. 



Accommodation, 378. 



Acetabulum, 331. 



Achatina, 245. 



Achatinellidae, 142. 



Adaptation, 31, 35, 81, 184, 420, 445, 

 49> S3 1 ; immunity, 490; toler- 

 ance, 490. 



Affinity, chemical, 32. 



Agapema anona, 291. 



Agassiz, Elizabeth Gary, 514, 519. 



Agassiz, Louis, 139, 508-519, 522; 

 early life, 508; zoological interest, 

 510; authorship, 511; marriages, 

 512, 514; research on fishes, 512; 

 glacial theory, 513-514; life in 

 America, 514-519; Agassiz Mu- 

 seum, 516; foreign explorations, 

 517; Penikese summer school, 

 518; death, 519. 



Aglossa, 362. 



Agramonte, Dr., 203. 



Ailanthus tree, 161. 



Albatross (Proellariiformes), 385. 



Alces, 411. 



Alcohol, effects of, 33, 34, 118, 120- 

 128. 



Alepocephalus, 477. 



Algae, 149, 217. 



Algonkian Era, 148, 149. 



Alimentary canal, 30, 334. 



Alleghanian Area, 459. 



Allelomorphic characters, 45, 84, 117. 



Alligator (Crocodilia), 369-370; A. 

 mississippiensis, 370. 



Alluvial Epoch, 148. 



Alopex lagopus, 403. 



Amber, 293. 



American Museum Journal, 163. 



Amia calva, 347. 



Amiba, 14, 29, 188, 191, 200. 



Amino-acids, 8. 



Ammonites, 250. 



Amoeba ; see Amiba. 



Amphibia, 36, 182, 320, 340, 358-363, 



432; see Anura; Apoda; Urodela. 

 Amphicoelous vertebrae, 329. 

 Amphididae, 302. 

 Amphineura, 248. 

 Amphioxus, 36, 3 21, j 25, 354, 431. 

 Amphitrite edwardsii, 238. 

 Anabolic process, 18, 34. 

 Anaerobic bacteria, 31. 

 Andrews, C. W., 425. 

 Angiosperm, 68. 

 Anguis fragilis, 364. 

 Animalcule, 17, 192. 

 Animalia, phyla of, 178-185; charts 



of, 183, 185. 

 Animikian Period, 148. 

 Annelida, 181, 237-242; see Oli- 



gochaeta; Polychaeta. 

 Annuli, 351. 

 Anopheles, 203, 205. 

 Anseriformes, 386. 

 Ant (Formicidae), 95, 299-307; "ant 



lovers," 302; characters, 299; 



food, 303; honey a., 304; nests, 



301 ; slaves, 305 ; socialists, 306. 

 Ant, white (Isoptera), 271. 

 Anther, 77. 

 Anthidium, 282, 296. 

 Anthocyanin, 53. 

 Anthophora, 295. 

 Anthophysa, 186. 

 Anthozoa, 211, 213, 216-217. 

 Anthrax, 486. 

 Antilocapridae, 413 ; A. americana, 



412. 



Antiseptic surgery, 485. 

 Anura, 361-363. 

 Aorta, 338. 

 Apatosaurus, 153. 

 Aphididae, 276-277. 

 Apis, 296, 297; A. mellifera, 295. 

 Apoda, 353-354, 359-36o. 

 Apoidea (Bee), 293-298; adaptation, 



294 ; comb, 296 ; fossils, 293 ; 



functions, 295-296; habits, 294- 



295 ; structure, 297-298. 



541 



